Hi,
We changed to named parameters and it worked, so we changed from :
Query q = session.createQuery("from Project_BC where projectId=?")
.setLong( 0, projId );
to
Query q = session.createQuery("from Project_BC where projectId=

rjId")
.setLong( "prjId", projId );
We have changed all parameterized queries the same way.
Thanks Mark for looking into it.